Knox County, Illinois Property Taxes

Name: Property Tax Bills Across Knox County, Illinois
Creator: Ownwell
License: https://creativecommons.org/licenses/by-nc/4.0/

Median Knox County effective property tax rate: 2.31%, significantly higher than the national median of 1.02%.
Median Knox County home value: $78,330
Median annual Knox County tax bill: $1,699, $701 lower than the national median property tax bill of $2,400.

How are property taxes in Knox County calculated?

Property taxes in Knox County are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.

Understanding your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Galesburg or another part of Knox County, knowing local tax details benefits homeowners and investors.

Last Updated March 1, 2025

Knox County, Illinois Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

2.31%

Estimate Property Tax Bill

$1,809

$1,679

Ownwell’s Knox County Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Knox County with just two data points. By entering your property's estimated assessed value, our calculator applies Knox County’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a more precise calculation for your property tax obligations. This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Knox County. For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across Knox County, Illinois

Local government entities in Illinois set tax rates, which can vary widely within the state. Each county annually estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction, resulting in the property tax rate. While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process. Knox County's effective property tax rate is 2.31%, significantly higher than the national median property tax rate of 1.02%. Within Knox County, the city of Dahinda has the highest median tax rate at 2.52%, while Saint Augustine has the lowest at 1.83%. These variations highlight the importance of understanding local tax rates and their impact on property owners. Comparing Knox County's tax rate to the U.S. median can help property owners assess their tax burden and explore potential savings through appeals or exemptions.

Property Tax Rates Across Knox County, Illinois

Source: Ownwell

0.27%

1.39%

2.52%

Median Effective Knox County Tax Rate

2.31%

Median Effective Illinois Tax Rate

2.35%

Median Effective United States Tax Rate

0.99%

Property Tax Rates Across Knox County, Illinois

City	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
Abingdon	1.01%	1.68%	2.23%	2.93%	2.93%
Alexis	N/A	N/A	N/A	N/A	N/A
Alpha	N/A	N/A	N/A	N/A	N/A
Altona	0.28%	1.75%	2.29%	2.66%	3.03%
Dahinda	1.68%	2.25%	2.52%	2.68%	2.68%
Delong	1.03%	1.56%	1.93%	2.57%	2.57%
East Galesburg	1.08%	1.59%	2.04%	2.38%	2.49%
Elmwood	0.29%	1.64%	1.98%	2.41%	2.74%
Farmington	0.24%	0.25%	0.34%	2.40%	2.52%
Galesburg	1.32%	1.96%	2.42%	3.16%	3.16%
Galva	0.26%	0.29%	2.04%	2.59%	2.86%
Gilson	0.24%	1.32%	1.96%	2.36%	2.56%
Henderson	1.15%	1.55%	1.94%	2.25%	2.67%
Knoxville	1.21%	1.79%	2.16%	2.39%	2.73%
La Fayette	0.30%	1.37%	2.48%	3.14%	3.14%
Laura	N/A	N/A	N/A	N/A	N/A
London Mills	0.28%	1.11%	2.26%	2.87%	2.91%
Maquon	0.25%	0.92%	2.11%	2.60%	3.18%
North Henderson	N/A	N/A	N/A	N/A	N/A
Oneida	0.59%	1.67%	2.14%	2.43%	2.73%
Rio	0.27%	1.51%	2.23%	2.52%	2.94%
Saint Augustine	0.25%	1.04%	1.83%	2.49%	2.71%
St Augustine	N/A	N/A	N/A	N/A	N/A
Victoria	0.29%	1.57%	2.29%	2.79%	2.94%
Wataga	1.00%	1.65%	2.08%	2.34%	2.80%
Williamsfield	0.27%	1.46%	2.10%	2.49%	2.83%
Woodhull	0.13%	0.25%	0.27%	1.38%	2.77%
Yates City	0.75%	1.81%	2.34%	2.66%	3.01%

Source: Ownwell

Property Tax Assessment Values Across Knox County, Illinois

When examining property taxes in Knox County, understanding the distinction between "market value" and "assessed value" is crucial. The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Knox County assessment office estimates the market value for tax purposes. The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.

Assessment notices: In Knox County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of May. Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Knox County. For example, the median tax bill in Knox County is $2,400, with tax bills ranging significantly across the county. Woodhull has the highest median home price at $2,604,393.

Property Tax Assessment Values Across Knox County, Illinois

Source: Ownwell

$41,790

$1,323,092

$2,604,393

Median Knox County Assessed Value

$78,330

Median Illinois Assessed Value

$194,700

Median United States Assessed Value

$244,900

Property Tax Assessment Values Across Knox County, Illinois

City	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
Abingdon	$26,766	$42,375	$67,800	$96,645	$137,532
Alexis	N/A	N/A	N/A	N/A	N/A
Alpha	N/A	N/A	N/A	N/A	N/A
Altona	$39,348	$51,742	$80,325	$120,472	$396,372
Dahinda	$90,846	$156,585	$264,660	$397,590	$554,712
Delong	$18,948	$29,760	$41,790	$52,770	$65,112
East Galesburg	$30,840	$44,250	$82,230	$134,040	$288,174
Elmwood	$72,300	$90,120	$112,620	$135,495	$1,043,755
Farmington	$126,954	$164,362	$547,620	$1,810,105	$2,944,353
Galesburg	$19,800	$38,940	$66,720	$106,110	$166,338
Galva	$56,058	$75,240	$141,990	$942,390	$1,996,868
Gilson	$31,956	$61,380	$117,690	$223,500	$1,161,637
Henderson	$38,070	$53,940	$80,640	$109,065	$150,006
Knoxville	$54,282	$76,710	$110,700	$153,300	$227,280
La Fayette	$18,756	$28,028	$65,100	$187,125	$695,837
Laura	N/A	N/A	N/A	N/A	N/A
London Mills	$29,292	$50,670	$80,985	$197,228	$1,197,202
Maquon	$26,070	$45,690	$84,870	$237,000	$1,678,054
North Henderson	N/A	N/A	N/A	N/A	N/A
Oneida	$45,690	$63,210	$93,660	$137,130	$285,630
Rio	$41,082	$69,885	$113,130	$216,885	$1,206,126
Saint Augustine	$19,992	$34,380	$66,510	$184,935	$1,624,973
St Augustine	N/A	N/A	N/A	N/A	N/A
Victoria	$25,155	$38,002	$59,385	$125,340	$361,890
Wataga	$43,518	$63,045	$88,110	$133,170	$228,492
Williamsfield	$39,540	$60,090	$87,660	$152,580	$803,529
Woodhull	$243,480	$524,928	$2,604,393	$4,235,594	$7,148,844
Yates City	$45,255	$67,830	$100,200	$150,458	$291,219

Source: Ownwell

Property Tax Bills Across Knox County, Illinois

In Knox County, IL, property tax bills are calculated by assessing the market value of a home and applying the local tax rate. Homeowners in this region face a median property tax bill that can vary significantly based on their property's assessed value. For example, the 25th percentile tax bill is $922, while the 75th percentile reaches $3,001, indicating a wide range of tax liabilities. The highest median tax bill in the county is found in Woodhull, where homeowners pay $7,975, contrasting sharply with DeLong's lowest median tax bill of $748. These figures highlight the disparity in tax burdens across different areas within the county.

Compared to the national median property tax bill of $2,400, Knox County's tax bills can be either significantly lower or higher, depending on the specific location within the county. This variation affects homeowners by influencing their overall housing costs and potentially impacting their decision to buy or sell property. Understanding these factors is crucial for homeowners to manage their financial responsibilities effectively.

Property Tax Bills Across Knox County, Illinois

Source: Ownwell

$748

$4,362

$7,975

Median Knox County Tax Bill

$1,699

Median Illinois Tax Bill

$4,715

Median United States Tax Bill

$2,690

Property Tax Bills Across Knox County, Illinois

City	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
Abingdon	$436	$797	$1,397	$2,155	$3,210
Alexis	N/A	N/A	N/A	N/A	N/A
Alpha	N/A	N/A	N/A	N/A	N/A
Altona	$683	$1,127	$1,877	$2,893	$5,057
Dahinda	$1,655	$3,428	$6,137	$9,756	$13,098
Delong	$261	$446	$748	$1,021	$1,384
East Galesburg	$387	$801	$1,495	$2,608	$6,319
Elmwood	$1,214	$1,853	$2,264	$3,244	$4,045
Farmington	$1,672	$2,729	$4,126	$5,611	$10,320
Galesburg	$396	$780	$1,486	$2,556	$4,075
Galva	$896	$1,452	$2,689	$5,163	$7,063
Gilson	$564	$1,130	$2,056	$3,401	$5,621
Henderson	$497	$877	$1,589	$2,082	$3,236
Knoxville	$929	$1,459	$2,184	$3,319	$4,789
La Fayette	$318	$638	$1,480	$2,825	$7,277
Laura	N/A	N/A	N/A	N/A	N/A
London Mills	$417	$1,118	$1,824	$3,430	$6,104
Maquon	$377	$861	$1,858	$3,628	$6,435
North Henderson	N/A	N/A	N/A	N/A	N/A
Oneida	$730	$1,193	$1,964	$3,156	$4,726
Rio	$665	$1,414	$2,362	$4,262	$6,492
Saint Augustine	$297	$561	$1,182	$3,131	$6,535
St Augustine	N/A	N/A	N/A	N/A	N/A
Victoria	$490	$768	$1,246	$2,691	$4,585
Wataga	$718	$1,122	$1,800	$2,794	$4,353
Williamsfield	$533	$1,048	$1,882	$3,120	$4,980
Woodhull	$931	$4,869	$7,975	$11,779	$18,876
Yates City	$842	$1,394	$2,259	$3,649	$5,428